WO2017174170A1 - Procédé et dispositif pour emballer et/ou regrouper des articles - Google Patents

Procédé et dispositif pour emballer et/ou regrouper des articles Download PDF

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Publication number
WO2017174170A1
WO2017174170A1 PCT/EP2016/082832 EP2016082832W WO2017174170A1 WO 2017174170 A1 WO2017174170 A1 WO 2017174170A1 EP 2016082832 W EP2016082832 W EP 2016082832W WO 2017174170 A1 WO2017174170 A1 WO 2017174170A1
Authority
WO
WIPO (PCT)
Prior art keywords
articles
film
article
conveying direction
winding
Prior art date
Application number
PCT/EP2016/082832
Other languages
German (de)
English (en)
Inventor
Heiner Schäfer
Jürgen Werner
Johannes KIRZINGER
Thomas Wimmer
Richard Eschlbeck
Manuel Kollmuss
Herbert Spindler
Christian Hastreiter
Andreas Fritsch
Original Assignee
Krones Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Krones Ag filed Critical Krones Ag
Publication of WO2017174170A1 publication Critical patent/WO2017174170A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/008—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material by webs revolving around articles moved along the axis of revolution
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B35/00—Supplying, feeding, arranging or orientating articles to be packaged
    • B65B35/30—Arranging and feeding articles in groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/04—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/06—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it
    • B65B9/067—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it the web advancing continuously
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/06—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it
    • B65B9/073—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it the web having intermittent motion

Definitions

  • the present invention relates to a method for packaging and / or grouping of articles, in particular for the formation of containers and a device for packaging and / or grouping of articles, in particular for the formation of containers, according to the respective preambles of claims 1 and 11.
  • the method described here comprises a first step, in which an article flow is initially generated in a conveying direction, wherein, in particular after the article flow has been generated, the article flow is enveloped by at least one layer of stretchable film, in particular under tension, resulting in a film wrap moving endlessly in the conveying direction the article is formed.
  • the film is completely severed in a plane running, for example, perpendicular to the article flow, between articles and / or groups of articles which are adjacent in the conveying direction.
  • the severing of the film between each directly adjacent articles or between control and / or controllable group arrangements of the article can be performed.
  • the severing preferably takes place continuously, ie the movement of a separating device can follow the transport direction of the articles and therefore also follow the articles along the conveying direction over an adjustable path.
  • a separation direction can be inclined relative to the conveying direction. An appropriate angle of inclination can be see zero and 90 degrees.
  • the parting line is at most in one dimension perpendicular to the article transport direction.
  • wrapping methods are already known from the prior art. Namely, for example, those methods are known in which individual containers are wrapped in the cycle. In this case, the cycle length can be set according to a length of a container group. However, this method has low performance due to the clock transporting of the articles to be used.
  • continuous transport methods are known in which containers which are transported close to dense and continuously transported are wrapped with a film in order to be subsequently separated. Although this method usually has a higher performance than a clocked transporting the containers, but after cutting no or very little film overhang for a sufficiently strong frontal side cover of the groups of articles. Such a continuous one
  • Transport method is therefore based, inter alia, for optimizing performance that a container separation, for example, without additional spacing, the individual article is accomplished by cutting through the film.
  • the container is laterally also largely open, which not only increases the risk of external contamination of the container container, but also causes the containers to fall laterally out of the container.
  • the containers arranged in the middle can be a container of containers, with more than two rows, arranged very particularly loosely and unstably within the container.
  • the present invention makes use, inter alia, of the idea that an additional spacing between articles and / or groups of articles of this stream of articles is created before the film is severed, and the film is produced in the area of this article Additional distance is then completely severed, so that the film preferably automatically, at least in places places on side surfaces of the articles and / or end faces of the container of articles.
  • the articles may be containers, in particular plastic containers, glass bottles, cans, packaging or other piece goods.
  • the film itself can act as an additional or sole side support of articles arranged laterally on containers.
  • this may mean that, except for the foil, the container of articles is free of further holding means for the mechanically stable arrangement of the articles of the container.
  • the film is the only holding means of the package which holds the articles together in the package and stabilizes each other in position.
  • the present invention improves a pack stability by producing a film supernatant to the article group to be formed.
  • This film projection can therefore also protect the article group from the front side by the film tension applied at least in the winding direction (forming a lateral film eye by means of "constricting effect"). It is conceivable that small film overhangs create by the Stretchzug to the container / pack and secure them against slipping sideways.
  • the stretch eye can be significantly reduced (higher stability) or fully enclosed (closed) for optimum protection of the content, e.g. against pollution)
  • the transported articles can stand stably during transport, it can be provided in particular that the articles support one another up to the moment of the separation or even only up to the moment of the application of the film. This can be achieved by the fact that the articles touch each other on side surfaces until this moment or that insert elements are installed between directly adjacent articles.
  • the present invention provides the decisive advantage that a controllable winding film supernatant is also present after the separation process and a film eye also better surrounds the container laterally.
  • a controllable winding film supernatant is also present after the separation process and a film eye also better surrounds the container laterally.
  • the above-mentioned method can also be used for a mere repackaging and / or closing of individual articles, in particular of individual packages.
  • parallelepipedic packages such as e.g. Carton packaging with subsequent re-separation of the packaging or individual packaging components into consideration. All in all, therefore, the present method leads to a particularly high throughput in a continuous transport operation, so that the present method is also free, for example, of a timed transport of the article.
  • this first comprises generating an article stream in a conveying direction, wherein in a next step at least one single-layer wrapping of this article stream by means of one, in particular Tension-applied stretchable film takes place, from which an endlessly moving in the conveying direction foil packaging of the article is formed.
  • the articles of the article stream are conveyed on a standing (support) plate and in particular pushed and then wrapped together with this plate. Subsequently, the wrapped articles are removed from this plate, in particular by means of a subsequent to the conversion device feed device, for example, using a side guide.
  • the foil is completely severed in a plane extending in particular perpendicular to the article flow between articles and / or groups of articles which are adjacent in the conveying direction.
  • the invention comprises a further step, during which an additional distance between adjacent articles is selectively generated between adjacent articles and / or groups of articles of this article stream before the film is severed and the film is subsequently completely severed in the region of this additional distance, so that the Foil preferably automatically at least in places on side surfaces of the article and / or end faces of the container of articles applies.
  • An extension of the additional distance in the conveying direction can be smaller than a corresponding expansion of the articles in this direction.
  • the additional spacing has an extension of at least 10 mm to at most 100 mm, preferably from at least 20 mm to at most 80 mm, preferably from at least 30 mm to at most 70 mm and preferably from at least 40 mm to at most 60 mm in the conveying direction.
  • the articles are conveyed in the conveying direction by means of a dynamic pressure conveying, in particular wherein the Straudruckannote comprises conveying the articles at a first conveying speed and then conveying the articles under a second conveying speed, wherein the second conveying speed is greater than the first conveying speed that the additional distance arises at least partially by this difference in speed.
  • the two conveyor speeds are dependent on each other, for example, synchronized with each other, adjusted, controlled or regulated.
  • dynamic pressure delivery means that the articles conveyed up are initially compacted by means of the transport device from an originally existing article distance and, for example, come into contact with each other at the closest transport point and this contact is used with each other to form the further conveyor chain At least partially and / or temporarily with a delivery pressure, for example pushing, etc.
  • a delivery pressure for example pushing, etc.
  • To push the article may be a sliding element in question, which engages the side of the article flow in this mechanically.
  • the promotion of the individual articles in the individual conveyor speeds has the effect that the accumulated articles are equalized in their arrangement to each other and forms a distance, for example, the additional distance described above between the articles.
  • insertion elements are inserted as spacers between adjacent articles before the wrapping of the article with the film, but only after generating the additional distance between adjacent articles in the conveying direction, wherein before, during or after the cutting of the film, the insertion elements in a be removed from the article flow from the conveying direction different Ausllungichtung.
  • the containers under dynamic pressure are initially conveyed in the jammed condition with the first conveying speed and accelerated by a segment of the transport device to a second conveying speed.
  • a gap arises, which is so large that in this space from the side, from above or from below, the insertion elements described above can be inserted.
  • the insertion elements are therefore in a predetermined arrangement, for example, between each immediately adjacent articles.
  • an extension of the insertion elements in the conveying direction is exactly equal to the additional distance generated between the articles.
  • the insertion elements in the conveying direction contact directly adjacent articles on both sides.
  • the insertion elements can then preferably be removed from the stream of articles during the separation process, in particular, for example, by a corresponding separation device. It is namely conceivable that during cutting the individual spacers fall down into a collecting container or a collecting line.
  • the articles are jammed supplied in the conveying direction and the jammed articles are then wrapped with the film, wherein after wrapping by preferably stepped transition of the two conveyor speeds of the additional distance between adjacent articles is selectively generated and wherein during the generation of the additional distance the film is stretched to be subsequently separated at the stretched locations.
  • the film remains circumferentially stretched around the article and therefore expands as the distance between adjacent articles increases.
  • the film is not only retreats in the direction of the edge arranged in the container article, but this film also lays down Side surfaces / end faces of the container arranged on the outside of the article.
  • One reason for this automatic application to outer side surfaces of the articles or end faces of the container can also be that the outer surfaces of the articles bound together there have a curvature, so that this curvature of the tensile stress, which initially prevailed in the conveying direction, in a contact pressure on the Redirects the side surfaces.
  • the jammed articles are conveyed by means of a first transport conveyor and the articles are subsequently transferred by a second transport conveyor. are taken, wherein the additional distance preferably results only at the transition between the two transport conveyors.
  • the separation of the film is preferably carried out in the conveying direction between the two transport conveyors.
  • the separation of the film preferably takes place in a plane perpendicular to the conveying direction.
  • the first transport conveyor and / or the second transport conveyor comprises at least one fixing element, in particular at least one clamping carriage, which generates the speed difference between the articles.
  • the clamping carriage can therefore be understood as a driver element for accelerating and / or braking of the articles to be transported.
  • the clamping carriage it is therefore possible, for example, to put together particularly well defined articles and article groups, which can further increase a production throughput.
  • the fixing can grab a predetermined number of articles after or during cutting and accelerate or decelerate in the conveying direction relative to the article flow to produce by this relative movement the desired additional distance to the rest of the article flow.
  • the jammed articles are enveloped with the film prior to generating the additional distance using a winding funnel in such a way that after wrapping the article flow in the region of the additional distance between adjacent articles, a film accumulation or a film elongation, in particular by a variability in a gap generation between immediately adjacent articles and / or controlled application of the film.
  • the use of the winding funnel described herein may represent as another form of implementation to the above-described film stretching.
  • the winding funnel instead of an immediate wrapping, ie wrapping the article, first the winding funnel is wrapped.
  • a winding Funnel any element which is set up and provided for receiving the sheet surface.
  • the winding funnel can therefore have in a sectional plane perpendicular to the conveying direction a round, oval, or angular basic shape, as long as the winding funnel in the form of a funnel obliquely in the direction of the flow and in the conveying direction.
  • a trimmer in the context of the invention does not necessarily designate an element having a circular or oval cross-sectional dimension.
  • the funnel does not necessarily have to be a continuous element.
  • the funnel comprises a plurality of sub-elements, which are formed in their entirety in the form of a funnel.
  • the winding funnel comprises at least one winding element, in particular a winding wall or an elongated rod element, which in particular runs conically, wherein the film is at least partially pushed and / or wound on a side of the winding wall facing away from the article flow, and the article flow through a , in particular conical, opening of the winding funnel passes, so that the article by pulling and / or compressive force the film, preferably automatically, pull from the winding wall, whereby a film stretching is achieved.
  • a drive and / or a controlled braking device of the winding wall can with suitable film (for example stretchable transversely to the winding direction) and a bias of the film in the transport direction of the article flow when placing the film on the article flow by generating a differential speed between the film and the article flow and / or be created among the articles among each other.
  • the articles are held together with bias in this case also in the transport direction, which can produce a considerably more stable pack, in particular with the film supernatant.
  • a generation of a film protrusion, in particular with subsequent packaging separation, may also include a mechanical and / or electronic coupling.
  • a wrapping speed of the film in predetermined, for example, controllable and / or controllable relationship to the conveying speed. Also, the wrapping speed may depend on a (final) pack length.
  • the film accumulation with and / or without spacing may be dependent on the to be achieved Gebindeeria in their conveyor timing. For example, a film accumulation is greater if the length of the container is greater or vice versa. It is also conceivable that a film accumulation is greater when the Gebinembo is shorter.
  • a wrapping speed, with which the piece goods are wrapped is at least temporarily synchronized with a transport speed of the piece goods.
  • the winding funnel comprises a driven winding wall surface which delivers the film to the article flow at a drive speed, the drive speed preferably being a component of the drive speed parallel to the conveying direction of the article flow being greater than the first conveying speed, so that preferably only formed by this speed difference, a film accumulation at least between the articles, as soon as they leave the winding funnel, wherein subsequently this film accumulation is severed.
  • a film accumulation is now used instead to create the film overhang.
  • a foil accumulation is therefore such an arrangement and design of the foil which produces a shrunken or crimped, for example, stretch-free foil portion. writes.
  • This film accumulation again preferably lays itself automatically on outer side surfaces of the articles. This embodiment therefore falls under an embodiment of the winding funnel as a so-called active operation of the winding funnel.
  • a "driven winding wall surface” in this context may mean that the winding wall surface rotates itself relative to the stream of articles, ie for example also parallel to the conveying direction of the stream of articles around the stream of articles and / or that the winding wall surface has mechanical elements which lead to the Foil is delivered in at least one directional component on the article stream.
  • the present invention relates to a device for packaging and / or grouping articles, in particular for the formation of containers.
  • the present device is particularly adapted and intended to carry out the method according to the embodiments described above, i. that all the features implemented for the method described above are also disclosed for the device described here, and vice versa.
  • the device comprises a transport device which generates an article flow in a conveying direction of the transport device.
  • the device comprises a device for wrapping the article stream by means of a stretchable film which can be applied in particular under tension, wherein a film packaging of the article which moves endlessly in the conveying direction can be formed.
  • the film for example, only in the conveying direction or in the winding direction, stretchable.
  • the device comprises a separating device, which is arranged in the conveying direction after the device for wrapping and by means of which in a running in particular perpendicular to the article flow level between adjacent conveying direction articles and / or groups of articles, the film is completely severable.
  • the device comprises a state distance generating device, which is arranged in the conveying direction before the separating device and thus before the cutting of the film specifically between the articles and / or groups of articles This article flow an additional distance between adjacent articles can be generated and the film in the region of this additional distance is then completely severable by means of the separator, so that the film preferably automatically applies at least in places to side surfaces of the article and / or end faces of the container of articles.
  • FIG. 1A-1 C in side perspective top and side views of a first embodiment of a method described herein and a device described herein;
  • FIG. 1 D - 1 E laterally schematic views a positioning of insertion elements described here between immediately adjacent articles of the article stream;
  • FIG. 2 - 4E in further schematic views of further embodiments of the method described herein and the device described herein.
  • FIG. 1A shows in a first schematic side view a device 1000 described here for packaging and / or grouping articles 1, in particular for forming containers 10.
  • a transport device T12 First of all recognizable is a transport device T12, which generates an article stream 1A in a conveying direction 2 of the transport device T12.
  • the articles 1 are initially accumulated in a sector I to each other.
  • a sector II the accumulated and preferably touching articles 1 are then spaced apart.
  • This can be done in FIG. 1A by providing in sector I a first part conveyor (for example an allocation star, an allocating finger or a conveyor belt), which feeds articles 1 onto one another and another in a sector II
  • Sub-conveyor brings the accumulated Article 1 to a certain division, in particular an additional distance 21, for example by means of using a Zuteilstern, Zuteilfingers and / or sliding bar.
  • the spaced-apart Article 1 are transported further, being introduced at the beginning of sector III and from the entry of Article 1 in the sector III from below between each directly adjacent to each other article 1 insertion elements 5 as spacers.
  • the distance between adjacent articles corresponds in each case to at least one extension of the insertion elements 5 in the conveying direction 2.
  • the device 1000 shown in FIG. 1A additionally comprises an auxiliary spacing generating device 40. This is because, inter alia, because along a guide rail 41 of the additional distance generating device 40 the insertion elements 5 from below, for example by means of a lifting and positioning mechanism between the individual immediately adjacent article 1 are introduced.
  • the insertion elements 5 between each immediately adjacent article 1 is then under feed the article flow 1 A (includes articles together with the Einschu- element elements) in a device 20 for wrapping the article stream 1 A introduced.
  • the article stream 1 A is preferably enveloped parallel to the fully circumferential with the above-described film 3.
  • the article stream 1A (which is then covered with the film 3) has passed and left the device 20 for wrapping the article stream 1 A, with further feed of the article stream 1A with feed a further wrapping of the article stream 1 with another film 3 under Use of a further device 20 for wrapping the article flow 1 A undertaken.
  • an endlessly moving in the conveying direction 2 foil packaging 4 of the article 1 is formed.
  • the further film 3 may be wound in the opposite direction as the first film 3.
  • FIGS. 1B and 1C show a lateral pushing out of the respective insertion elements 5, which then laterally from top to bottom, ie parallel next to the transport device T12 into the guide rail 41, by the action of the gravitational force fall in.
  • the guide rail 41 is therefore not below, but laterally arranged by the article flow 1 A
  • Figure 1 B shows in particular a side view and the figure 1 C now shows the lateral pushing out (in contrast to Figure 1A).
  • FIGS. 1 D to 1 E show, in a schematic side view and a schematic top view, a positioning of an insertion element 5 described here between directly adjacent articles 1 of the article flow 1A. It can be seen here that the insertion elements 5 have, parallel to a plane transverse to the conveying direction 2, an extension which is smaller than the corresponding extent of the articles 1. It is also possible that the insertion elements 5 have a smaller extent in the conveying direction 2 than the article 1. This size dimensions of the insertion elements 5 advantageously allow a particularly simple free cutting of the insertion elements. 5
  • the insertion element 5 can be pushed out particularly easily, for example (rounded edges against snagging, after which the remaining cut can be made).
  • FIG. 2 shows an alternative or additional method for producing the bundles of articles 1A shown in FIG. 1, in which, instead of introducing the above-mentioned insertion elements 5, a distance is deliberately transferred when passing from a region IV into a region V through different transport speeds present there vi, v2 is achieved.
  • the articles 1 are therefore in their jammed form first, as shown in FIGS. 1A-1C, transported by the two devices 20 for wrapping the articles, for example up to the end of the region IV at a conveying speed vi. At the moment of leaving the area IV, the then wrapped Article 1 are brought to the conveying speed v2, so that at the moment of accelerating the film 3 automatically expands.
  • the coextensive or after is preferably at the transition between the area IV to the area V, which is preferably free of a transport device, generates a separation by the separation device 30 and thus the film 3 completely severed.
  • the previously stretched film 3 then nestles automatically on the side and / or end faces of the container and therefore holds outer articles, ie articles which are arranged on the edge side of the respective container, laterally fixed.
  • FIG. 2 shows a first transport conveyor T1, which acts on the articles 1 with a first conveying speed vi, and a second transport conveyor T2, which brings the articles 1 to a second transport speed v2, the additional distance preferably being at the transition between the two transport conveyors T1, T2 results.
  • the two transport conveyors T1, T2 are therefore part of the transport device T12.
  • FIG. 3A shows that, to produce the second conveying speed v2, the individual articles are combined individually or else preferably particularly simply in individual article groups by a fixing device 6, in particular the clamping carriage 61 shown there can be accelerated or decelerated in the conveying direction, so that a separation is performed by the separating device 30 between the fixing device 6 shown in Figure 3A, for example, the clamping slide 61, and another fixing element 62 which is mounted on the first transport conveyor T1.
  • FIG. 3B shows the transport device shown in FIG. 3A instead of in a side view in a particularly catching plan view, from which it can be seen that the clamping carriage 61 can be moved back and forth in the conveying direction 2 in particular.
  • the device 1000 and in particular the device 20 for wrapping the article flow 1A comprises a winding funnel 7.
  • the winding funnel 7 comprises at least one, preferably two, winding walls 71 which, in the conveying direction 2, contact the Article flow 1A run.
  • the two winding walls 71 are arranged to each other such that between the two winding walls 71 of the flow 2 runs.
  • the film 3 is at least partially pushed and / or wound on a side of a winding wall 71 facing away from the article stream 1 A (and thus unwound from a film reservoir, for example a film roll).
  • the article flow 1A is passed through an opening 710 of the winding funnel 7, so that the articles 1 pull the film 3 by pulling and / or pressing force automatically from the winding wall 71.
  • the article 1 or a group of articles 1 is targeted from the first conveying speed vi to the second, larger, conveying speed v2 or a brought further conveying speed. This results not only in turn the desired additional distance 21 between the articles 1, but already during the Abwickeins of the winding funnel 7, the desired film stretching. In other words, therefore, in the figure 4A not the container itself is wrapped with the film 3, but rather the winding funnel 7.
  • Figure 4A is shown in a section VI, as the article at a speed vO in example random spacing promotes become.
  • the individual articles 1 are then parallelized to one another and, for example, brought into contact with one another and accumulated relative to one another. This can be done for example via different allocation or transport conveyor.
  • the section VI comprises a transport compressor T120 (as part of the transport device T12) as a compression transport element.
  • the articles 1 then arrive at the first conveying speed vi in a first device 20 for wrapping the article stream 1A, ie in the above-mentioned winding funnel 7.
  • the outer surface of the winding wall facing away from the article 1 71 wound film is, for example, subjected to air and / or subjected to vibration, so that the film 3 is particularly easy from the surface of the winding wall 71, between which, for example, an air cushion is slid off and can be deducted by the articles 1, preferably automatically and free of other tools.
  • a controlled or controlled drive, a brake or other support of the film 3 in the transport direction of the article 1 is conceivable, so that by means of further aids wound on the winding funnel 7 film 3 can be deducted.
  • a section IX then passes the further subsidized and wrapped with the film 3 article stream 1A in a gap picker T121 as part of the transport device T12.
  • the gap puller T121 accelerates individual articles 1 or groups of articles 1 to a second conveying speed v2, as a result of which a separating point desired between the individual packs of article 1, ie the desired additional spacing 21, can be set.
  • the gap puller 121 can furthermore have a transport compressor which is configured such that individual articles within the containers are brought closer together again, but the distance from such containers can remain unaffected, for example, by such a compressor.
  • a compressor is conceivable, which again slightly closer together after pulling apart the individual container itself relative to each other.
  • the article stream 1A then passes into a second device 20 for wrapping the article stream 1A, whereby in turn this is recognizable (as, for example, it is possible in all other or previous devices 20 for wrapping ), that a support plate 800 fixed to support the stream of articles 1 fixed and therefore immovably within the device 20 is arranged.
  • the support plate 800 therefore ensures a supported guidance of the article flow 1A through the angled funnel 7.
  • the support plate 800 can also move with the article flow 1 A.
  • the support plate 800 may even be co-wrapped by the film 3 together with the articles 1.
  • a gap picker T121 which in turn change individual distances between the already formerly formed containers of articles 1, for example, can increase.
  • the film 3 lies continuously over the articles 1 and the individual gaps between directly adjacent articles 1.
  • the film may be stretched inter alia because of the gap puller T121 between adjacent articles 1.
  • the transition between the region XI to the region XII is then completely cut through a separating device 30 between each adjacent containers through the films 3, so that the containers are isolated.
  • the above-mentioned gap pullers T121 also allow accelerated removal of the film 3, ie the film winder, from the winding funnel 7 and a simultaneous spacing of the articles 1 at the desired separation points before and / or after unification of the film 3 with the individual articles 1 , which leads to a better Ent stretch of a packing edge after separating the film 3, since the supernatant film 3 is absorbed and a separation of parallelepiped containers, such as wound cardboard packaging, is particularly easy.
  • FIG. 4B shows, in contrast to the exemplary embodiment according to FIG. 4A, instead of a passive application of the film 3 from the winding funnel 7 to the articles 1, an active application of the film 3 to the articles 1 starting from the winding funnel 7, in that the in The winding funnel 7 shown in FIG. 4B comprises a driven winding wall surface 71 1. It is crucial in the embodiment of an active winding funnel 7 shown in FIG. 4B, therefore, that the driven winding wall surface 71 1 actively promotes the film to the article flow 1 at a drive speed v 3, which may correspond, for example, to the further conveying speed v 2. The winding funnel 7 can therefore unwind its film 3 automatically (ie without the help of Article 1).
  • a drive speed v 3 which may correspond, for example, to the further conveying speed v 2.
  • the winding funnel 7 can therefore unwind its film 3 automatically (ie without the help of Article 1).
  • the exemplary embodiment according to FIG. 4A instead of a passive application of the film 3 from the winding funnel 7 to the articles
  • the winding funnel 7 can therefore have one or more of the following features:
  • Winding wall 7 is curved in plan or at least in one dimension, winding wall is formed as a closed conical conical surface
  • the foil 3 is pulled off the winding wall by the speed / movement of the gap puller T121,
  • winding wall 71 Pulling the film 3 from the winding funnel 7 (faster / slower) by a variable angle of the winding wall 71 with respect to the conveying direction 2 influenced each other, for example, this angle is then depending on the conveying speed, with which is transported through the winding funnel 7, winding wall 71 can be adjusted by means of electrical and / or pneumatic elements of its position along the conveying direction 2 or in its angle relative to the article flow 1 A.
  • controllable circulating belt, air bubbles for friction reduction
  • Winding wall 71 is formed by one or more belt conveyors with or without drive.
  • a parallel arrangement of the belt conveyor in the conveying direction 2 is possible, which prevents belt distortion and allows a very simple film feed control of the film 3,
  • Winding wall 7 comprises, instead of or in addition to the belt conveyors, at least one roll mat on which the film 3 is transported,
  • the lower conveyor can also remove the containers, since the transport surface moves against the container stream, but this is not obstructed in the drive because of Röllchenober Design,
  • the support plate 800 is oriented in width on the narrowest container and can generally abrade wider containers without adjustment. If there are several adjacent containers, then a gradual adaptation can be carried out, - winding funnel 7 formed by a plurality of rod elements, with functionalities as described above, for example as air nozzle rod (rod with nozzle openings from which air escapes) or belt conveyors,
  • the driven winding surface 71 of the winding funnel 7 can also be used to introduce additional packaging elements such as advertising inserts, handle applications under the respective film winding.
  • FIG. 4C the passive winding funnel 7 shown in FIG. 4A is again shown in a schematic top view, in which it is now also explicitly recognizable how the individual bundles pull off the film from the winding funnel 7, in particular also by dividing distance generation of the succeeding gap puller T121.
  • FIG. 4D shows in a schematic side view how the individual film windings of the film 3 are formed on the winding funnel 7.
  • a film roll 80 is unrolled along a roll-off path 81.
  • the film roll 80 orbits the winding funnel 7 along the rolling track 81.
  • the film 3 is thus clamped onto the winding wall 71 at the same time.
  • the then stretched onto the winding wall 7 film 3 therefore envelops the article 1 along the circumferential direction 81 A completely.
  • FIG. 4E also shows how the winding funnel 7 is formed by a plurality of mutually diagonally arranged rod elements 72.
  • the rod elements 71 can also be formed in the form of belt conveyors or replaced by such.
  • the rod elements 71 can also be particularly easily adjustable in X1 and X2 direction. By means of the movement along the directions X1, X2, the distances of the rod elements 71 to the article flow 1 A can be changed. These directions are preferably perpendicular to the conveying direction 2 and allow a particularly variable adjustment of the winding funnel and its diameter.
  • the rod elements 71 extend with at least one directional component parallel to the conveying direction 2. It is also evident in FIG. 4D and in FIG. 4E, for example, the fixed support plate 800.
  • the support plate 800 can also move with the article flow 1A.
  • the support plate 800 may even be co-wrapped by the film 3 together with the articles 1.
  • the invention is not limited by the description and the embodiments. Rather, the invention encompasses every new feature as well as every combination of features, which also includes in particular every combination of the claims, even if this feature or this combination itself is not explicitly stated in the patent claims or the exemplary embodiments.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)

Abstract

L'invention concerne un procédé pour emballer et/ou regrouper des articles, en particulier pour former des emballages, ledit procédé comprenant au moins les étapes suivantes : générer un flux d'articles dans une direction de transport; envelopper le flux d'articles d'au moins une couche au moyen d'un film étirable appliqué sous tension, ce qui a pour effet de créer un emballage sous film desdits articles, se déplaçant en continu dans la direction de transport, le film étant entièrement sectionné entre des articles et/ou des groupes d'articles adjacents dans la direction de transport, dans un plan s'étendant en particulier perpendiculairement au flux d'articles, avant le sectionnement du film, un espace supplémentaire étant créé de manière ciblée entre des articles et/ou des groupes d'articles adjacents et le film étant ensuite entièrement sectionné dans la zone de cet espace supplémentaire, de sorte que le film s'applique, de préférence de manière automatique, au moins par endroits, sur les faces latérales des articles et/ou sur les faces frontales des emballages d'articles.
PCT/EP2016/082832 2016-04-06 2016-12-29 Procédé et dispositif pour emballer et/ou regrouper des articles WO2017174170A1 (fr)

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Application Number Priority Date Filing Date Title
DE102016106265.0 2016-04-06
DE102016106265.0A DE102016106265A1 (de) 2016-04-06 2016-04-06 Verfahren und Vorrichtung zum Verpacken und/oder Gruppieren von Artikeln

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DE102017204231A1 (de) * 2017-03-14 2018-09-20 Krones Aktiengesellschaft Verpackungsvorrichtung und Verfahren zum Umwickeln von Artikeln mit dehnbarer Folie

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US4593518A (en) * 1983-08-17 1986-06-10 Lantech, Inc. Flexible wrapping apparatus
DE3624445A1 (de) * 1986-07-19 1988-02-04 Hagemann B & Co Verfahren und vorrichtung zum aufteilen eines foerderstromes von stueckgutteilen in stueckgut-gruppen
US5050368A (en) * 1990-01-11 1991-09-24 Tokiwa Kogyo Co., Ltd. Shrink packaging apparatus
WO2006051281A1 (fr) * 2004-11-10 2006-05-18 Oakbridge Investments Limited Méthode et appareil d’emballage
WO2015025142A1 (fr) * 2013-08-21 2015-02-26 Oakbridge Investments Limited Appareil et méthode d'enveloppement hélicoïdal d'objets
WO2015040565A2 (fr) * 2013-09-20 2015-03-26 Area S.R.L. Appareil d'enveloppement de bouteilles employant un film mince de matière plastique étirable

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IN175922B (fr) * 1989-02-18 1995-11-04 Johnson & Sons Ltd W T
DE102005063193B4 (de) * 2005-12-30 2018-05-03 Krones Aktiengesellschaft Vorrichtung und Verfahren zum Gruppieren von Stückgut
DE102013105919A1 (de) * 2013-06-07 2014-12-11 Khs Gmbh Verpackungsmaschine mit Geschwindigkeitsausgleich vor dem Schrumpftunnel

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US4593518A (en) * 1983-08-17 1986-06-10 Lantech, Inc. Flexible wrapping apparatus
DE3624445A1 (de) * 1986-07-19 1988-02-04 Hagemann B & Co Verfahren und vorrichtung zum aufteilen eines foerderstromes von stueckgutteilen in stueckgut-gruppen
US5050368A (en) * 1990-01-11 1991-09-24 Tokiwa Kogyo Co., Ltd. Shrink packaging apparatus
WO2006051281A1 (fr) * 2004-11-10 2006-05-18 Oakbridge Investments Limited Méthode et appareil d’emballage
WO2015025142A1 (fr) * 2013-08-21 2015-02-26 Oakbridge Investments Limited Appareil et méthode d'enveloppement hélicoïdal d'objets
WO2015040565A2 (fr) * 2013-09-20 2015-03-26 Area S.R.L. Appareil d'enveloppement de bouteilles employant un film mince de matière plastique étirable

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114082655A (zh) * 2020-08-24 2022-02-25 深圳顺丰泰森控股(集团)有限公司 快件输送线、快件输送方法、装置、电子设备及存储介质

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